VIVOTEK
User's Manual - 113
■ Audio detection
A preset threshold can be configured with an external microphone as the trigger to system event. The
triggering condition can be an input exceeding or falling below a threshold� Audio detection can take
place as a complement to motion detection or as a method to detect activities not covered by the
camera's view�
Once you have a preset audio alarm level, you can define the triggering condition either as an audio
input rises above or falls below the alarm level�
■ Camera tampering detection
This option allows the Network Camera to trigger when the camera detects that is is being tampered
with�
To enable this function, you need to configure the Tampering Detection option first.
Please refer
to page 129 for detailed information�
■ Manual Trigger
This option allows users to enable event triggers manually by clicking the on/off button on the
homepage. Please configure 1 to 3 associated events before using this function.